Summary of Significant Accounting Policies and Procedures - Summary of the Activity of the Level 3 Contingent Consideration (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Balance - beginning of the period	$ 117,197
Acquisition of Silevo		$ 115,319
Change in fair value recorded in other expense - net	5,811	1,878
Balance - end of the period	$ 123,008	$ 117,197